Pith Number

pith:337M2GII

pith:2012:337M2GIIOKRXLCUUPFILQFBCYD

not attested not anchored not stored refs pending

Efficient Enumeration of the Directed Binary Perfect Phylogenies from Incomplete Data

Masashi Kiyomi, Toshiki Saitoh, Yoshio Okamoto

arxiv:1203.3284 v1 · 2012-03-15 · cs.DS · q-bio.PE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{337M2GIIOKRXLCUUPFILQFBCYD}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T04:00:02.295693Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

defecd190872a3758a947950b81422c0c3a70236179424c4628afdcf04d7b443

Aliases

arxiv: 1203.3284 · arxiv_version: 1203.3284v1 · doi: 10.48550/arxiv.1203.3284 · pith_short_12: 337M2GIIOKRX · pith_short_16: 337M2GIIOKRXLCUU · pith_short_8: 337M2GII

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/337M2GIIOKRXLCUUPFILQFBCYD \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: defecd190872a3758a947950b81422c0c3a70236179424c4628afdcf04d7b443

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73199bb95fb751692510c8580e0e23241849e198a5467c8204d36971fe915882",
    "cross_cats_sorted": [
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2012-03-15T07:50:06Z",
    "title_canon_sha256": "a0321c9c4ed42ef429cbc7fac60320a9fa79bdfd5ddfd5c4ec53928251e16696"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.3284",
    "kind": "arxiv",
    "version": 1
  }
}